diff --git a/.github/workflows/build-and-test.yml b/.github/workflows/build-and-test.yml
index 63b7bc2..e0e5ceb 100644
--- a/.github/workflows/build-and-test.yml
+++ b/.github/workflows/build-and-test.yml
@@ -17,7 +17,7 @@ jobs:
         node-version: [20.x, 22.x]
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: Use Node.js ${{ matrix.node-version }}
       uses: actions/setup-node@v4
       with:
diff --git a/.github/workflows/check_scheduled_posts.yml b/.github/workflows/check_scheduled_posts.yml
index 0959f81..99bc251 100644
--- a/.github/workflows/check_scheduled_posts.yml
+++ b/.github/workflows/check_scheduled_posts.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Execute check for scheduled posts
         shell: bash
         id: schedule-check
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index b961077..44ef772 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -22,7 +22,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index a2ac6d9..067a3e2 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Read .nvmrc
         id: node_version
         run: echo ::set-output name=NODE_VERSION::$(cat .nvmrc)